In 2023, the Washington Department of Social and Health Services (DSHS) disclosed an internal data breach. This incident involved a former employee improperly accessing client records without authorization.
The breach affected approximately 8,600 individuals. Exposed data included names, dates of birth, Social Security numbers, DSHS client numbers, and program-enrollment information. DSHS stated there was no evidence that diagnosis, test results, treatments, claims, or chart notes were accessed.
DSHS is mailing formal notification letters to affected individuals. Details regarding the exact date of discovery or regulator notification have not been publicly confirmed.